Report Generated 07/09/2020 at 1349

Page Description

1 - Mean Daily Water Temperature, Release Flow Rates and Air Temperatures with Monthly Averages

2 - Redding 10-Day Forecasted Air Temperatures

3 - Sacramento River Mean Daily Water Temperature, Air Temperature and 10-Day Forecasted Air Temperature Plot

- Water Temperature Measuring Station Details

- Temperature Control Point Details

4 - Daily Maximum and 7DADM 

5 - Shasta Lake Isothermobaths Plot

6 - Trinity Lake Isothermobaths Plot

7 - Whiskeytown Lake Isothermobaths Plot

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

July - 2019
Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Jun 8544 2160 11089 76.2 77.1 -

07/01 51.2 50.6 # - 51.8 52.3 52.9 54.6 56.3 57.0 58.1 58.2 48.7 - 9090 977 10990 75.0 71.8 72.8 -

07/02 51.3 50.7 ! - 51.8 52.3 53.0 54.9 56.6 57.3 58.1 58.4 49.2 - 9351 1165 10982 77.0 75.4 75.2 -

07/03 51.4 50.8 53.7 52.0 52.5 53.1 55.0 56.8 57.5 58.5 ! - 49.4 - 9346 1200 10990 77.5 75.0 76.0 -

07/04 51.3 50.7 53.6 52.0 52.5 53.1 55.1 56.9 57.7 58.8 # - 49.5 - 9101 1454 10909 82.0 77.7 78.3 -

07/05 51.5 50.9 53.6 52.1 52.6 53.3 55.3 57.1 57.9 59.0 # - 49.3 - 9387 1385 9472 81.0 77.5 78.2 -

07/06 51.7 51.1 53.7 52.1 52.6 53.3 55.4 57.3 58.1 59.3 # - ? 49.3 - 10203 747 10895 82.5 79.9 78.7 -

07/07 51.5 50.9 53.7 52.2 52.8 53.5 55.4 57.2 58.0 59.1 # - 49.4 - 9364 1110 10895 80.0 75.5 75.1 -

07/08 51.3 50.6 53.7 52.4 52.9 53.6 55.6 57.4 58.2 59.2 # - 49.7 - 8554 1601 10894 76.5 71.8 71.2 -

07/09 51.3 50.6 53.9 51.9 52.5 53.1 55.0 57.0 57.8 59.0 # - 49.7 - 9647 784 10893 77.0 72.8 71.9 -

07/10 51.0 50.2 53.8 51.9 52.5 53.0 55.0 56.6 57.3 58.3 # - 50.1 - 8657 1695 10888 78.5 74.7 74.9 -

07/11 51.1 50.4 54.0 51.8 52.5 ? 53.1 55.3 57.2 58.0 59.0 # - 50.1 - 9592 987 10898 82.5 78.4 79.3 -

07/12 51.5 50.4 54.0 52.1 52.6 53.1 55.3 57.2 58.0 59.2 60.2 49.9 - 9156 1738 10897 85.0 80.8 80.8 -

07/13 51.4 50.5 54.1 52.2 52.8 53.3 ? 55.7 57.6 58.4 59.6 59.8 50.4 - 9361 1402 10923 86.0 81.5 81.3 -

07/14 51.3 50.5 54.1 52.1 52.8 53.3 55.7 57.6 58.4 59.6 59.5 50.7 - 9132 1347 10937 84.0 80.2 79.2 -

07/15 ? 51.3 50.5 54.1 52.1 52.7 53.2 55.3 57.1 58.0 59.2 58.9 50.6 - 8337 1425 10925 82.5 79.8 81.4 -

07/16 51.2 50.4 54.2 52.2 52.8 53.3 55.5 57.2 58.0 59.0 59.6 50.9 - 9190 1428 10888 83.0 79.5 79.0 -

07/17 51.3 50.6 54.3 52.0 52.7 53.3 55.5 57.4 58.3 59.5 59.6 51.1 - 8968 1646 10889 85.0 81.1 80.0 -

07/18 51.0 50.4 54.2 52.0 52.9 53.5 55.8 57.6 58.4 59.8 59.7 51.4 - 9232 1101 11122 84.0 79.3 79.1 -

07/19 51.1 50.3 54.3 51.7 52.6 53.2 55.4 57.2 58.1 59.6 59.4 51.5 - 9340 1244 10894 82.5 78.4 78.8 -

07/20 51.0 50.3 54.4 51.7 52.5 53.1 55.2 57.0 57.8 59.2 58.6 51.2 - 9178 1236 10893 80.0 77.2 76.3 -

07/21 51.1 50.4 54.5 51.5 52.4 52.9 55.1 56.8 57.7 59.0 58.4 50.9 - 9990 758 10890 82.5 78.0 78.0 -

07/22 51.2 50.4 54.5 51.7 52.4 52.9 55.0 56.7 57.6 58.9 58.7 51.0 - 9479 1160 10922 85.5 80.4 81.2 -

07/23 51.0 50.1 54.6 52.0 52.8 53.3 55.3 57.1 57.9 59.2 58.8 51.2 - 8380 1647 11029 83.5 79.9 80.0 -

07/24 51.0 50.1 54.6 51.7 52.5 53.1 55.3 57.1 57.9 59.2 58.6 51.3 - 9079 832 10930 85.0 79.5 79.6 -

07/25 50.4 49.9 54.9 51.1 52.0 52.5 54.6 56.3 57.2 58.5 57.8 51.2 - 10500 823 10897 86.0 79.8 81.3 -

07/26 50.4 49.8 54.8 51.1 51.9 52.3 54.3 55.9 56.7 58.0 58.4 51.2 - 9281 1365 10886 85.5 80.0 78.7 -

07/27 50.4 49.8 54.8 51.4 52.0 52.5 54.4 56.1 56.9 58.1 58.3 51.2 - 8842 1517 10889 85.5 82.3 82.1 -

07/28 50.5 49.9 54.9 51.1 ? 52.0 52.6 54.6 56.4 57.2 58.4 59.0 51.3 - 9763 484 10891 88.5 82.4 83.8 -

07/29 50.6 50.0 54.9 51.2 52.0 52.5 54.6 56.3 57.1 58.6 58.8 51.0 - 9281 1599 10885 85.0 80.7 80.8 -

07/30 50.7 50.1 55.1 51.4 52.2 52.7 54.7 56.4 57.3 58.6 58.6 51.2 - 9311 875 10897 82.0 77.5 76.1 -

07/31 50.5 ? 50.1 55.1 51.6 52.3 52.8 54.6 56.1 56.9 58.2 58.3 51.6 - 7654 1721 10879 82.5 76.7 77.7 -

Jul 9218 1240 10873 78.2 78.3 -

285746 38453 337069

Legend Notes 566766 76270 668563

? = 1-9 hours of data missing (Average includes estimations) 1 Temperatures are weighted averages based on individual penstock flow and temperature

! = 10 or more hours of data missing (Average not calculated) Highlighted cells in the TCD column indicate a TCD change was made on that day

# = Station out of service 2 Current control point (see page 3 for more details)

↑ = Record high air temperature 3 Column not used this month

↓ = Record low air temperature

 = Monthly Averages

55.1

Total AF

RDB

Total CFS

IGO -----

58.9 50.5

LWS

48.6

56.9

Mean Daily 

Air Temperatures (°F)

57.8 58.8

82.4

RDD

-

80.2

BND

57.7 58.9

52.5 51.7 52.2 52.8 55.0 57.1

51.1 50.4 54.3 51.8 52.5 53.0

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

51.0 50.3 58.2 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2 3

1
↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg

07/01 60 93 76.5 60 93 76.5 61 93 77.0 62 91 76.5 62 94 78.0 64 102 83.0 67 103 85.0 68 102 85.0 66 95 80.5 67 100 83.5 70 98 84.0 68 100 84.0

07/02 59 91 75.0 62 90 76.0 63 92 77.5 63 94 78.5 65 98 81.5 66 99 82.5 67 96 81.5 66 95 80.5 66 96 81.0 69 100 84.5 69 100 84.5 69 100 84.5

07/03 61 93 77.0 64 93 78.5 63 96 79.5 65 99 82.0 66 99 82.5 66 97 81.5 64 96 80.0 66 101 83.5 66 98 82.0 68 100 84.0 70 99 84.5 68 98 83.0

07/04 62 93 77.5 NR 97 NR 65 99 82.0 66 98 82.0 66 92 79.0 63 92 77.5 65 91 78.0 66 96 81.0 66 95 80.5 66 96 81.0 69 96 82.5 68 99 83.5

07/05 66 98 82.0 NR 99 NR 66 98 82.0 66 93 79.5 62 90 76.0 63 93 78.0 65 96 80.5 66 98 82.0 67 96 81.5 66 96 81.0 69 97 83.0 69 99 84.0

07/06 64 98 81.0 68 100 84.0 66 96 81.0 62 92 77.0 63 95 79.0 65 96 80.5 66 98 82.0 67 99 83.0 68 99 83.5 67 99 83.0 68 97 82.5 67 99 83.0

07/07 67 98 82.5 67 95 81.0 62 92 77.0 63 93 78.0 64 95 79.5 65 96 80.5 67 99 83.0 67 99 83.0 66 97 81.5 68 95 81.5 69 97 83.0 68 99 83.5

07/08 65 95 80.0 65 90 77.5 63 90 76.5 64 93 78.5 65 97 81.0 66 101 83.5 67 100 83.5 65 97 81.0 67 98 82.5 67 100 83.5 70 99 84.5 69 99 84.0

07/09 65 88 76.5 65 89 77.0 64 94 79.0 65 100 82.5 67 104 85.5 68 102 85.0 66 100 83.0 65 100 82.5 67 96 81.5 65 93 79.0 66 92 79.0 66 93 79.5

07/10 65 89 77.0 65 94 79.5 65 99 82.0 66 104 85.0 68 104 86.0 67 100 83.5 65 98 81.5 65 98 81.5 68 97 82.5 67 95 81.0 69 98 83.5 68 99 83.5

07/11 64 93 78.5 66 97 81.5 67 99 83.0 68 99 83.5 67 96 81.5 65 98 81.5 65 98 81.5 65 98 81.5 67 96 81.5 68 95 81.5 67 94 80.5 65 95 80.0

07/12 67 98 82.5 70 102 86.0 68 101 84.5 67 98 82.5 65 96 80.5 65 99 82.0 67 100 83.5 67 100 83.5 70 100 85.0 69 100 84.5 69 98 83.5 67 99 83.0

07/13 69 101 85.0 72 102 87.0 66 99 82.5 65 97 81.0 65 98 81.5 66 98 82.0 65 98 81.5 65 97 81.0 68 96 82.0 67 97 82.0 66 96 81.0 66 98 82.0

07/14 72 100 86.0 70 100 85.0 66 98 82.0 66 99 82.5 66 101 83.5 67 99 83.0 67 97 82.0 65 95 80.0 66 93 79.5 65 95 80.0 67 95 81.0 66 98 82.0

07/15 70 98 84.0 68 98 83.0 67 99 83.0 67 101 84.0 68 100 84.0 66 96 81.0 65 97 81.0 64 97 80.5 69 100 84.5 68 101 84.5 69 100 84.5 68 100 84.0

07/16 67 98 82.5 70 99 84.5 67 101 84.0 68 98 83.0 66 95 80.5 65 98 81.5 66 98 82.0 67 98 82.5 69 103 86.0 68 103 85.5 69 99 84.0 67 100 83.5

07/17 68 98 83.0 70 100 85.0 68 98 83.0 66 95 80.5 66 98 82.0 67 99 83.0 68 99 83.5 67 98 82.5 69 100 84.5 68 102 85.0 69 101 85.0 68 100 84.0

07/18 69 101 85.0 72 100 86.0 66 97 81.5 67 99 83.0 67 99 83.0 68 97 82.5 67 97 82.0 66 96 81.0 64 100 82.0 66 102 84.0 68 99 83.5 67 99 83.0

07/19 71 97 84.0 69 97 83.0 68 99 83.5 67 99 83.0 68 99 83.5 70 98 84.0 67 101 84.0 69 102 85.5 66 104 85.0 67 104 85.5 70 101 85.5 67 99 83.0

07/20 67 98 82.5 66 100 83.0 67 101 84.0 68 102 85.0 67 102 84.5 66 104 85.0 68 104 86.0 69 104 86.5 68 106 87.0 70 105 87.5 70 102 86.0 67 98 82.5

07/21 64 96 80.0 67 100 83.5 68 102 85.0 67 101 84.0 66 104 85.0 68 105 86.5 69 105 87.0 68 106 87.0 68 102 85.0 68 101 84.5 68 99 83.5 66 99 82.5

07/22 67 98 82.5 71 102 86.5 67 101 84.0 66 104 85.0 68 105 86.5 68 102 85.0 68 103 85.5 69 103 86.0 69 103 86.0 66 101 83.5 67 98 82.5 66 99 82.5

07/23 70 101 85.5 67 101 84.0 65 104 84.5 67 104 85.5 70 104 87.0 69 106 87.5 70 107 88.5 69 103 86.0 68 99 83.5 67 99 83.0 67 98 82.5 65 97 81.0

07/24 67 100 83.5 71 104 87.5 67 104 85.5 69 103 86.0 69 109 89.0 72 109 90.5 69 104 86.5 67 101 84.0 67 100 83.5 65 99 82.0 67 97 82.0 66 99 82.5

07/25 68 102 85.0 70 104 87.0 70 102 86.0 70 108 89.0 72 108 90.0 70 103 86.5 66 100 83.0 65 99 82.0 66 99 82.5 65 100 82.5 67 99 83.0 65 98 81.5

07/26 69 103 86.0 70 101 85.5 70 107 88.5 72 107 89.5 68 102 85.0 66 98 82.0 63 98 80.5 64 98 81.0 66 99 82.5 66 100 83.0 68 99 83.5 67 101 84.0

07/27 70 101 85.5 65 107 86.0 72 107 89.5 70 102 86.0 66 99 82.5 64 98 81.0 63 98 80.5 64 100 82.0 66 100 83.0 66 103 84.5 68 100 84.0 66 99 82.5

07/28 64 107 85.5 72 107 89.5 68 101 84.5 64 99 81.5 64 99 81.5 63 98 80.5 63 99 81.0 65 101 83.0 68 104 86.0 68 106 87.0 71 103 87.0 68 102 85.0

07/29 70 107 88.5 71 101 86.0 64 98 81.0 63 99 81.0 63 98 80.5 63 97 80.0 65 99 82.0 66 101 83.5 69 102 85.5 68 104 86.0 70 101 85.5 67 101 84.0

07/30 69 101 85.0 71 98 84.5 62 99 80.5 62 98 80.0 62 98 80.0 64 100 82.0 66 101 83.5 66 101 83.5 68 102 85.0 66 101 83.5 66 96 81.0 65 98 81.5

07/31 68 96 82.0 65 99 82.0 62 98 80.0 63 99 81.0 64 103 83.5 66 103 84.5 66 103 84.5 66 101 83.5 67 100 83.5 65 95 80.0 65 95 80.0 64 98 81.0

Web Links Legend

10-Day Min/Max Forecast NR = Forecasted temperatures not recorded

Previous Days Min/Max Actuals 100 = Previous day actual temperatures in red and bolded indicate a record temperature for that date

Redding (RDD) Daily Air Temperatures (°F)

8 Days

D

A

T

E

Forecasted

4 Days 5 Days 6 Days

Actual

Previous Day Current Day 1 Day 2 Days 3 Days 7 Days 9 Days 10 Days

2
Code Body of Water Location1 CDEC Link Point Temp. (°F) Begin Date

TCD N/A Shasta Power Plant N/A BSF 56.0 5/15/2019

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here

SPP N/A Spring Creek Power Plant N/A

KWK Sacramento River 0.8 miles downstream of Keswick Dam Click Here

SAC Sacramento River 4.8 miles downstream of Keswick Dam Click Here

CCR Sacramento River 9.7 miles downstream of Keswick Dam Click Here

BSF Sacramento River 25 miles downstream of Keswick Dam Click Here

JLF Sacramento River 34 miles downstream of Keswick Dam Click Here

BND Sacramento River 41 miles downstream of Keswick Dam Click Here

RDB Sacramento River 58 miles downstream of Keswick Dam Click Here Notes

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here 1 Distances are approximate

DGC2 Trinity River 19 miles downstream of Lewiston Dam Click Here 2 DGC is only reported in September

NFH3 Trinity River 38 miles downstream of Lewiston Dam Click Here 3 NFH is only reported in October, November and December

Station Details Temperature Control Point

73

76

79

82

85

88

91

94

50

51

52

53

54

55

56

57

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Air Temperature (°F)

Water Temperature (°F)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)

3
07/01 53.4 54.6 53.2 54.6 54.6

07/02 53.4 54.8 53.3 54.6 54.9

07/03 53.6 55.2 53.4 54.8 55.0

07/04 53.3 54.8 53.4 54.9 55.1

07/05 53.6 55.1 53.4 54.8 55.3

07/06 53.6 55.0 53.5 54.9 55.4

07/07 54.1 55.6 53.6 55.0 55.4

07/08 54.2 55.6 53.7 55.2 55.6

07/09 53.2 54.4 53.7 55.1 55.0

07/10 53.4 54.8 53.6 55.0 55.0

07/11 53.5 54.9 53.7 55.1 55.3

07/12 53.8 55.1 53.7 55.1 55.3

07/13 53.8 55.2 53.7 55.1 55.7

07/14 53.9 55.3 53.7 55.0 55.7

07/15 53.6 55.0 53.6 55.0 55.3

07/16 53.7 54.9 53.7 55.0 55.5

07/17 53.5 54.9 53.7 55.0 55.5

07/18 54.0 55.3 53.8 55.1 55.8

07/19 53.5 54.9 53.7 55.1 55.4

07/20 53.7 55.2 53.7 55.1 55.2

07/21 53.4 54.7 53.6 55.0 55.1

07/22 53.7 54.9 53.6 55.0 55.0

07/23 54.2 55.4 53.7 55.0 55.3

07/24 53.4 54.8 53.7 55.0 55.3

07/25 52.4 53.7 53.5 54.8 54.6

07/26 53.0 54.5 53.4 54.7 54.3

07/27 53.2 54.6 53.3 54.7 54.4

07/28 52.8 54.3 53.2 54.6 54.6

07/29 53.2 54.8 53.2 54.6 54.6

07/30 53.1 54.6 53.0 54.5 54.7

07/31 53.3 54.8 53.0 54.5 54.6

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

86

89

92

95

98

101

104

107

110

52

53

54

55

56

13579 11 13 15 17 19 21 23 25 27 29 31

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

52

53

54

55

56

13579 11 13 15 17 19 21 23 25 27 29 31

Water Temperature (°F)

7DADM

4
Latest Profile Date: 07/23/2019

0

300

600

900

1200

1500

1800

2100

2400

2700

3000

3300

3600

3900

4200

4500

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Shasta Lake Isothermobaths - 2019

(Water Temperature, in °F)

Total Daily Storage

5
Latest Profile Date: 07/22/2019

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Trinity Lake Isothermobaths - 2019

(Water Temperature, in °F)

Total Daily Storage

6
Latest Profile Date: 07/23/2019

0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Whiskeytown Lake Isothermobaths - 2019

(Water Temperature, in °F)

Total Daily Storage

7